Chemistry, 10.02.2020 17:16, macylen3900
PLEASE ANSWER
Which of the following forms of electromagnetic waves is LEAST dangerous to the human body? Explain why.
A. X-rays because they are used at a hospital.
B. Microwaves because they have the longest wavelength.
C. Ultraviolet rays because they come from the sun.
D. Gamma rays because they have the shortest wavelength.
Answers: 2
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Which function is performed by earths atmosphere? a. ultraviolet rays are prevented from reaching the ozone layer. b. earths temperature is raised and moderated by trapping in heat c. charged particles from the sun are prevented from reaching earth. d. magnetic charges from space are prevented from reaching earths surface.
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1. list three scientific reasons cockroaches may fly.
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Now look at the segment of the graph between the two data points marked with black squares. describe how the boiling point and melting point plots behave between these points. be as specific as possible.
Answers: 1
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What is the volume of 2.5 moles of nitrogen gas (n2)at standard temperature and pressure (stp)?
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PLEASE ANSWER
Which of the following forms of electromagnetic waves is LEAST dangerous t...
Which of the following forms of electromagnetic waves is LEAST dangerous t...
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